What a winning combination?
[2750] What a winning combination? - The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. - #brainteasers #mastermind - Correct Answers: 72 - The first user who solved this task is Donya Sayah30
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 72
The first user who solved this task is Donya Sayah30.
#brainteasers #mastermind
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A Letter Addressed to God

A letter written in a childish scrawl came to the post office addressed to "God". A postal employee, not knowing exactly what to do with the letter, opened it and read: "Dear God, my name is Jimmy. I am 6 years old. My father is dead and my Mom is having a hard time raising me and my sister. Would you please send us $500?" The postal employee was touched. He showed the letter to his fellow workers and all decided to kick in a few dollars each and send it to the family. They were able to raise $300.A couple of weeks later the same post office received a second letter addressed to God. The boy thanked God for the recent infusion of cash, but ended with this request: "Next time would you send the money directly to us? If you send it through the post office they deduct $200."
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Goddard's rocket aircraft

In 1931, Robert Goddard patented a rocket-fueled aircraft design (U.S. No. 1,809,271). However, it drew no military interest from either the Army or the Navy, despite its innovative design, since even the government following the great Depression had limited resources to fund proper research. The invention was designed to utilize the energy of the gas blast of a rocket without dissipation to obtain the maximum propulsive effect by driving one or more turbine elements, which in turn could turn propellers for driving the plane in the usual manner at low altitudes. The invention also proposes using the reaction of the gas blast itself at such higher altitudes where the air is so thin that propellers would be useless.[Image: patent diagram showing propellers at the rear.]
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